Research preview

The U.S. consumer price index for September came in hotter than expected, with both year‑over‑year and month‑over‑month figures above consensus. For systematic traders, such macro releases create short‑lived price dislocations that can be captured with well‑designed models. This article walks through the mechanics of turning a CPI surprise into a quantifiable trading edge, illustrates the cost structure that erodes that edge, and outlines concrete steps to embed the insight into a live strategy. Understanding the CPI Data Shock The headline CPI rose 3.7 % year‑over‑year, beating the 3.6 % estimate and the 3.4 % reading from the prior month....